2021 Mazda CX-30 2.0 e-SKYACTIV G MHEV GT Sport

Overview

• Make: Mazda
• Model: CX-30
• Trim: GT Sport
• Version: 2.0 e SKYACTIV-G Mhev GT Sport Manual FWD Euro 6 (s/s) 5dr (120 bhp)
• Year: 2021
• Mileage: 48,000 miles
• Fuel: Petrol, mild hybrid
• Body: SUV, 5 doors, 5 seats
• Engine: 2.0 litres, 120 bhp
• Gearbox: Manual
• Drive: Front-wheel drive
• Colour: Blue
• CO2: 134 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 48,000 miles on the clock, this 2021 Mazda CX-30 GT Sport has done roughly 12,000 more miles than a typical 2021 Mazda CX-30. The dealer is asking £13,000, which is £197 above the AskCar estimate of £12,803. To work out the AskCar estimate, we analyse UK dealer adverts for 1,559 Mazda CX-30 cars across different ages and specifications. The asking price is now £100 lower than when we first recorded the advert 6 days ago. We checked its advertised mileage against the government's MOT record, and they match. The seller is Marshall SKODA Newbury, based in Newbury. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 4 November 2026.

How we estimate prices and check cars

Price

Fair price: £197 (1%) over the AskCar estimate of £12,803.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 1,559 priced Mazda CX-30 adverts across different ages and specifications, as of 4 November 2026.

A 2021 Mazda CX-30 with the 2.0 petrol engine is typically advertised at £13,900: the median of the 110 for sale on AskCar, as of 4 November 2026.

Time on sale

AskCar first saw this 2021 Mazda CX-30 advertised 6 days ago. About 6 in 10 of 2021 Mazda CX-30 cars are gone from sale within a month of being advertised: 125 of the 218 first advertised between 11 July 2026 and 1 October 2026.

Price history

AskCar first saw this advert on 29 October 2026 at £13,100. Its asking price is now £13,000, £100 less. The latest price cut was seen on 30 October 2026.

Price changes recorded:

• 29 October 2026: £13,100
• 30 October 2026: £13,000

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 4 November 2026: valid until 13 May 2027.

It has had 3 MOTs. The latest, on 28 April 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 43,672 miles, which matches the advertised 48,000 miles.

Advertised mileage is about 12,000 miles higher than the median mileage of a 2021 Mazda CX-30 on AskCar.

Similar cars

18 other 2021 Mazda CX-30 GT Sport 2.0 petrol manual SUVs are for sale at UK dealers, from £10,677 to £15,999, as of 4 November 2026.

The 3 closest to this car in mileage:

• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey. Mileage: 47,620 miles. Price: £13,599, £599 more than this car. Dealer: Lookers Car Hub Middlesbrough in Middlesbrough. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-9a29ba0d524c
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, red. Mileage: 48,709 miles. Price: £12,995, the same price as this car. Dealer: Hadwins Approved in Kendal. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-8a3688833c62
• 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, black. Mileage: 51,155 miles. Price: £13,882, £882 more than this car. Dealer: Bridgend Motor Group in Gateshead. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-3d0b051af49a

• The nearest: 2021 Mazda CX-30 GT Sport, 2.0 petrol SUV, grey, 49 miles from this car. Mileage: 44,148 miles. Price: £13,200, £200 more than this car. Dealer: Napier Motor Company in Horsham. AskCar page: https://askcar.co.uk/car/mazda-cx-30-2021-92c0b6139cfd